45493507 has 4 divisors (see below), whose sum is σ = 46004760. Its totient is φ = 44982256.

The previous prime is 45493501. The next prime is 45493519. The reversal of 45493507 is 70539454.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45493507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45493501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255493 + ... + 255670.

It is an arithmetic number, because the mean of its divisors is an integer number (11501190).

Almost surely, 2^45493507 is an apocalyptic number.

45493507 is a deficient number, since it is larger than the sum of its proper divisors (511253).

45493507 is an equidigital number, since it uses as much as digits as its factorization.

45493507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511252.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 45493507 is about 6744.8874712630. The cubic root of 45493507 is about 356.9848665080.

It can be divided in two parts, 454 and 93507, that added together give a triangular number (93961 = T₄₃₃).

The spelling of 45493507 in words is "forty-five million, four hundred ninety-three thousand, five hundred seven".